Merge branch 'release/0.1'
bump version to 0.2
examples/task: fix init code
router: use as-needed module loading

Forgotten in the last iteration on this...
router: move a "const" to default arg, removing a little overhead
init: remove an unused import
__version__: fix setup.py ImportError if six is not available beforehand
prepare 0.1.1
Merge branch 'release/0.1.1' into stable